# Open-Meteo vs Weatherbit API (slim)

> Open-Meteo scores 63.4 (B) to Weatherbit's 57.7 (C) for weather data. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/open-meteo-vs-weatherbit.md (~2,700 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/open-meteo-vs-weatherbit.json · canonical https://www.anchorterminal.com/compare/open-meteo-vs-weatherbit
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Open-Meteo scores 63.4 (B) on agent readiness against Weatherbit API's 57.7 (C), and leads in 5 of 7 scored categories. Weatherbit API leads on reliability. Both do weather data.

- Open-Meteo: B 63.4, rank #394 of 950 · https://www.anchorterminal.com/tools/open-meteo.min.md
- Weatherbit API: C 57.7, rank #599 of 950 · https://www.anchorterminal.com/tools/weatherbit.min.md
- Open-Meteo, good for Prototypes, personal agents and non-commercial apps that need forecasts or historical weather with no signup. Ahead on Schema & documentation, 77 against 72; Agent ergonomics, 85 against 61; Payments & pricing, 50 against 30; Maintenance & community, 90 against 21; Transparency & trust, 72 against 63. Also No key needed to call it; Open source.
- Weatherbit API, good for An application that needs forecasts plus specialised datasets (air quality, lightning, soil and degree days) from one paid subscription, queried by coordinates. Ahead on Reliability, 91 against 50. Also Free to start without a card.

| Category | Open-Meteo | Weatherbit API |
| --- | --- | --- |
| Reliability (16%) | 50 | 91 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 77 | 72 |
| Agent ergonomics (13%) | 85 | 61 |
| Security & auth (14%) | 38 | 39 |
| Payments & pricing (10%) | 50 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 90 | 21 |
| Transparency & trust (7%) | 72 | 63 |

| Fact (where they differ) | Open-Meteo | Weatherbit API |
| --- | --- | --- |
| Vendor | Open-Meteo | Weatherbit LLC |
| Hosted endpoint | `https://api.open-meteo.com/v1/forecast` | `https://api.weatherbit.io/v2.0` |
| Auth | None | API key |
| Licence | AGPL-3.0 (code), CC BY 4.0 (data) | Proprietary service under Weatherbit's terms of service. The free plan's data is under a Creative Commons non-commercial licence. The Python SDK is MIT |
| Last release | 2026-09-10 | 2025-08-01 |
| Terms last updated | no date given | 2025-05-01 |
| Privacy policy last updated | no date given | 2023-12-26 |
| Popularity | 6.2k stars | 78 PyPI/wk |
| Agent reviews | 4/5 (2) | none |